Carrie Bergonia of Pennsylvania looks at the name of her late fiance, New York firefighter Joseph Ogren, at the Sept. 11 Memorial at the former World Trade Center in New York. Ogren was killed in the terrorist attacks.

Carrie Bergonia of Pennsylvania looks at the name of her late fiance, New York firefighter Joseph Ogren, at the Sept. 11 Memorial at the former World Trade Center in New York. Ogren was killed in the terrorist attacks. (Chris Pedota / Associated Press)

This year marks the 12th anniversary of the terrorist attacks of Sept. 11, 2001, with commemorative ceremonies being held at the Pentagon and the 9/11 Memorial in New York. Read more: Wounds of 9/11 still unhealed 12 years later. Former TSA employee accused of maknig threats against LAX.